Morphology of monocrystalline diamond and its inclusions

JW Harris, KV Smit… - … in Mineralogy and …, 2022 - pubs.geoscienceworld.org
Since first being discovered in India over 2000 years ago, the most striking and universally
recognized shape of an uncut diamond is the octahedron. This shape was revered from …

Non-cratonic diamonds from UHP metamorphic terranes, ophiolites and volcanic sources

LF Dobrzhinetskaya… - … in Mineralogy and …, 2022 - pubs.geoscienceworld.org
The discovery of diamonds in metamorphic rocks of continental affinities occurred shortly
after the discovery of coesite in similar rocks. These important discoveries led to a revolution …

Imperfections in natural diamond: the key to understanding diamond genesis and the mantle

MC Day, MG Pamato, D Novella, F Nestola - La Rivista del Nuovo …, 2023 - Springer
Diamond has unique physical, thermal, electrical, and optical properties with respect to other
minerals and related synthetic compounds that make it extremely valuable from an …

Two billion years of episodic and simultaneous websteritic and eclogitic diamond formation beneath the Orapa kimberlite cluster, Botswana

MU Gress, S Timmerman, IL Chinn… - … to Mineralogy and …, 2021 - Springer
Abstract The Sm–Nd isotope systematics and geochemistry of eclogitic, websteritic and
peridotitic garnet and clinopyroxene inclusions together with characteristics of their …

Is the imposition of diamond morphology on mineral inclusions a syngenetic or post-genetic process with respect to diamond formation?

M Bruno, S Ghignone, D Aquilano… - Crystal Growth & …, 2023 - ACS Publications
Recent studies showed that inclusions of the same phase within a single diamond are relicts
of an original monocrystal that underwent a dissolution event during diamond growth …

Effect of HPHT treatment on spectroscopic features of natural type Ib-IaA diamonds containing Y centers

IN Kupriyanov, YN Palyanov, AA Kalinin, VS Shatsky - Crystals, 2020 - mdpi.com
In this paper, we report a spectroscopic study of natural type Ib-IaA diamonds containing Y
centers subjected to high-pressure high-temperature treatment at 7–7.5 GPa and 1700 …

Diamond-forming media through time–Trace element and noble gas systematics of diamonds formed over 3 billion years of Earth's history

S Timmerman, MY Krebs, DG Pearson… - … et Cosmochimica Acta, 2019 - Elsevier
Ten individual gem-quality monocrystalline diamonds of known peridotite/eclogite
paragenesis from Southern Africa (Koffiefontein, Letlhakane, Orapa) were studied for trace …

The enigma of cuboid diamonds: The causes of inverse distribution of optical centers within the growth zones

EA Vasilev, DA Zedgenizov, IV Klepikov - Journal of Geosciences, 2020 - jgeosci.org
In the present work, diamonds with yellow cores and a slightly colored or colorless rims have
been studied. Three groups of crystals that differ in spectroscopic features have been …

A combined cathodoluminescence and electron backscatter diffraction examination of the growth relationships between Jwaneng diamonds and their eclogitic …

GR Davies, Q van den Heuvel, S Matveev… - Mineralogy and …, 2018 - Springer
To fully understand the implications of the compositional information recorded by inclusions
in diamond it is vital to know if their growth was syn-or protogenetic and the extent to which …

Diamonds from Orapa Mine show a clear subduction signature in SIMS stable isotope data

IL Chinn, SH Perritt, J Stiefenhofer, RA Stern - Mineralogy and Petrology, 2018 - Springer
Spatially resolved analyses reveal considerable isotopic heterogeneity within and among
diamonds ranging in size from 0.15 to 4.75 mm from the Orapa Mine, Botswana. The isotopic …